public GraphViewPort(GraphViewNode node, GraphViewConnector edgeListener, bool isInput) : base(Orientation.Horizontal, isInput ? Direction.Input : Direction.Output, isInput ? Capacity.Multi : Capacity.Single, null)
{
AddToClassList(UssClassName);
Node = node;
m_EdgeConnector = new EdgeConnector <Edge>(edgeListener);
this.AddManipulator(m_EdgeConnector);
}
private void CreateInput(GraphViewConnector nodeConnector)
{
Input = new GraphViewInputPort(this, nodeConnector)
{
tooltip = "Drag an output to here to make a connection"
};
titleContainer.Insert(0, Input);
}
public StartGraphViewNode(GraphNode node, GraphViewConnector nodeConnector) : base(node)
{
AddToClassList(StartUssClassName);
title = "Start";
expanded = false;
CreateOutput(nodeConnector);
}
public GraphViewInputPort(GraphViewNode node, GraphViewConnector edgeListener) : base(node, edgeListener, true)
{
AddToClassList(UssInputClassName);
tooltip = "Drag an output to this port to create a connection";
m_ConnectorText.style.marginLeft = 0;
m_ConnectorText.style.marginRight = 0;
}
private void CreateOutput(GraphViewConnector nodeConnector)
{
Data.RefreshConnections();
Output = new GraphViewOutputPort(this, Data.Connections[0], nodeConnector, null);
Output.AddToClassList(StartOutputUssClassName);
titleButtonContainer.Add(Output);
RefreshPorts();
}
public DefaultGraphViewNode(GraphNode node, GraphViewConnector nodeConnector) : base(node)
{
AddToClassList(DefaultUssClassName);
CreateInput(nodeConnector);
CreateDeleteButton();
_rename = CreateRename();
_breakpoint = CreateBreakpoint();
_callstackBorder = CreateCallstackBorder();
_nodeConnector = nodeConnector;
CreateOutputs(Outputs, nodeConnector, null);
}
public GraphView(GraphViewWindow window, Graph graph)
{
Graph = graph;
_window = window;
_nodeProvider = ScriptableObject.CreateInstance <GraphViewNodeProvider>();
_nodeConnector = new GraphViewConnector(_nodeProvider);
_inputs = this.Query <GraphViewInputPort>().Build();
_outputs = this.Query <GraphViewOutputPort>().Build();
AddToClassList(UssClassName);
SetupZoom(ContentZoomer.DefaultMinScale, ContentZoomer.DefaultMaxScale);
SetupNodeProvider();
SetupNodes();
SetupConnections();
RegisterCallback <KeyDownEvent>(OnKeyDown);
RegisterCallback <GeometryChangedEvent>(evt => ShowAll()); // Use this event because the layout isn't build right away so ShowAll won't work immediately
nodeCreationRequest = OnShowCreateNode;
graphViewChanged = OnGraphChanged;
canPasteSerializedData = data => canPaste;
serializeGraphElements = OnCopy;
unserializeAndPaste = OnPaste;
this.AddManipulator(new ContentDragger());
this.AddManipulator(new SelectionDragger());
this.AddManipulator(new RectangleSelector());
this.AddManipulator(new ClickSelector());
Undo.undoRedoPerformed += Rebuild;
EditorApplication.playModeStateChanged += PlayStateChanged;
if (Application.isPlaying) // Make sure the callback still gets set if the window was opened during play mode
{
PlayStateChanged(PlayModeStateChange.EnteredPlayMode);
FrameChanged(null);
}
}
protected void CreateOutputs(List <GraphViewOutputPort> outputs, GraphViewConnector nodeConnector, SerializedProperty renameableProperty)
{
Data.RefreshConnections();
outputs.Clear();
renameableProperty?.serializedObject.Update();
renameableProperty = null; // TODO - figure out a better way to name connections and the like
for (var i = 0; i < Data.Connections.Count; i++)
{
var connection = Data.Connections[i];
var nameProperty = renameableProperty?.GetArrayElementAtIndex(i);
var output = new GraphViewOutputPort(this, connection, nodeConnector, nameProperty)
{
portName = connection.Name
};
outputContainer.Add(output);
outputs.Add(output);
}
expanded = Data.Connections.Count > 0;
RefreshPorts();
}
public OutputCollectionGraphViewNode(GraphNode node, GraphViewConnector nodeConnector, OutputCollectionNodeAttribute attribute) : base(node, nodeConnector)
{
AddToClassList(CollectionUssClassName);
_attribute = attribute;
}
public GraphViewOutputPort(GraphViewNode node, GraphNode.ConnectionData connection, GraphViewConnector edgeListener, SerializedProperty nameProperty) : base(node, edgeListener, false)
{
AddToClassList(UssOutputClassName);
Connection = connection;
tooltip = "Click and drag to make a connection from this output";
m_ConnectorText.style.flexGrow = 1;
m_ConnectorText.style.unityTextAlign = TextAnchor.MiddleLeft;
if (nameProperty != null)
{
GraphViewNode.CreateEditableLabel(m_ConnectorText, nameProperty);
}
}